US6603433B1 - Positioning structure of inner and outer insulation sleeve members for antenna - Google Patents

Positioning structure of inner and outer insulation sleeve members for antenna Download PDF

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Publication number
US6603433B1
US6603433B1 US10/084,954 US8495402A US6603433B1 US 6603433 B1 US6603433 B1 US 6603433B1 US 8495402 A US8495402 A US 8495402A US 6603433 B1 US6603433 B1 US 6603433B1
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United States
Prior art keywords
connecting rod
antenna
insulation sleeve
outer insulation
sleeve
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US10/084,954
Inventor
Xu Richard Max
Jacky Weng
Alen Chan
Darren Peng
Wei Ye
Tony Wu
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Auden Techno Corp
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Auden Techno Corp
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Priority to US10/084,954 priority Critical patent/US6603433B1/en
Assigned to AUDEN TECHNO CORP. reassignment AUDEN TECHNO CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHAN, ALEN, PENG, DARREN, WENG, JACKY, WU, TONY, XU, RICHARD MAX, YE, WEI
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use

Definitions

  • the present invention is related to a positioning structure of an inner and an outer insulation sleeve member for an antenna; and especially to such an antenna of which an outer insulation sleeve and an inner insulation connecting rod (both are sleeve members) can be directly engaged with each other when in assembling to increase the torsional strength of the antenna in positioning in the peripheral direction of these inner and outer sleeve members.
  • Fixed antennas used in a mobile phone as an example mostly each uses an internal helical coil as a main element for transmitting and receiving signals.
  • the bottom end of the helical coil and a metallic connecting seat are connected with each other, while on the other hand, it requires an outer insulation sleeve and an inner connecting rod to position and insulate itself.
  • Such a fixed antenna used in a conventional mobile phone can be positioned by primary connecting of the helical coil with the metallic connecting seat and then by connecting the outer insulation sleeve member (i.e. an ordinary cap) with the inner connecting rod.
  • Such a connecting structure can further be combined firmer through a procedure such as high frequency melting-connecting; hence it must have equipment for melting connecting.
  • the related members including the helical coil and the metallic connecting seat having been positioned can be placed in a die; and then the outer insulation sleeve is formed during injection enveloping.
  • these processes for obtaining such structure is inconvenient by the necessity of placing the primarily connected members into a die for processing, and production of each article must be done in the die, yield of the products thereby is limited.
  • the object of the present invention is to provide a positioning structure of an inner connecting rod and an outer insulation sleeve (both are sleeve members) for an antenna, wherein, when the inner connecting rod of a helical coil and the outer insulation sleeve are shaped respectively, they can be engaged with each other with engaging means provided thereon, and synchronic positioning in the peripheral direction can be done at about the top ends of them, in this mode, the torsional strength of the antenna can be increased, such antenna can be manufactured with a high rate and a high yield.
  • the outer insulation sleeve of the present invention is made to have a top sealed end and a bottom opening, and an inner bore gradually enlarged from the top to the bottom thereof is provided therein, an upper inner annular recess and a lower inner annular recess are provided along the longitudinal wall of the inner bore.
  • the inner connecting rod is provided thereon in coincidence with the structure of the abovementioned inner bore respectively with an outer rod portion, an upper and a lower annular protruding rib, the inner connecting rod can be inserted from the abovementioned bottom opening into the outer insulation sleeve.
  • the outer insulation sleeve is provided near the inner top surface thereof with pending tongs, while the inner connecting rod is provided thereon with notches having corresponding shapes to the pending tongs respectively; thereby, the pending tongs can be inserted into the notches for positioning in the peripheral direction when the outer insulation sleeve is slipped over the inner connecting rod for connecting.
  • the pending tongs had better each be narrower at the lower end and wider at the upper end thereof for convenience of insertion positioning axially.
  • the outer insulation sleeve and the inner connecting rod had better have their respective lower inner annular recess and the lower annular protruding rib provided with a stop portion with a truncated conical shape.
  • FIG. 1 is a partially sectional perspective view showing the mutually separated outer insulation sleeve and inner connecting rod of the present invention
  • FIG. 2 is a sectional view taken from and in the same orientation as that of FIG. 1;
  • FIG. 3 is a sectional view taken in the orientation 90 degrees away from that of FIG. 2;
  • FIG. 4 is a sectional view taken from the sectional line 4 — 4 of FIG. 2;
  • FIG. 5 is a sectional view taken from the sectional line 5 — 5 of FIG. 3;
  • FIG. 6 is a sectional view as that of FIG. 2 with related elements mounted therein;
  • FIG. 7 is a sectional view as that of FIG. 3 with related elements mounted therein.
  • the main housing of the antenna has the principal elements including an outer insulation sleeve (namely cap) 10 and an inner insulation connecting rod 20 .
  • Related antenna parts including a coil, a metallic seat and a contact piece can be mounted therein after insertion connecting of the elements.
  • the outer insulation sleeve 10 basically has a top sealed end 11 and a bottom opening 12 , and an inner bore 13 gradually enlarged from the top to the bottom thereof is provided therein with an upper inner annular recess 14 and a lower inner annular recess 15 provided along the longitudinal wall thereof; and is provided near the inner top surface 16 thereof with pending tongs 17 .
  • the pending tongs 17 each is in a conical shape which is narrower at the lower end and wider at the upper end thereof (referring to FIGS. 3, 5 ).
  • the inner connecting rod 20 is provided thereon in corresponding to structure of the outer insulation sleeve 10 with an upper protruding rib protruding rib 21 and a lower annular protruding rib 22 , and is provided on the top end of the wall thereof with notches 23 having a corresponding shape to the pending tongs 17 of the outer insulation sleeve 10 respectively.
  • the lower annular protruding rib 22 is in a truncated conical shape flared downwardly to form an abutting shoulder 29 .
  • the lower inner annular recess 15 provided on the outer insulation sleeve 10 is in the shape in corresponding to that of the abutting shoulder 29 .
  • the outer insulation sleeve 10 and the inner connecting rod 20 of such structure can thereby insertion connected with each other in an axial direction.
  • the outer insulation sleeve 10 is generally formed of plastic, in the procedure of insertion of the main shank of the inner connecting rod 20 into the inner bore 13 , the upper protruding rib protruding rib 21 and the lower annular protruding rib 22 slightly spread in the first place, and when the inner connecting rod 20 reaches its position (such as are shown in FIGS. 2, 3 ), the outer insulation sleeve 10 will make the upper and the lower inner annular recesses 14 , 15 engage the upper and the lower protruding ribs 21 , 22 respectively.
  • the shapes of the lower protruding rib 22 and the lower inner annular recess 15 are corresponding to each other, they form extremely firm engagement, when the antenna is exerted with an axial pulling force, not only the lower protruding rib 22 has a guiding angle to help insertion by having the truncated conical shape thereof flared downwardly, but also the abutting shoulder 29 thereof can form an effective stopping portion to prevent slipping off thereof by the axial pulling force.
  • the notches 23 provided on the inner connecting rod 20 will be synchronically connected with the pending tongs 17 on the top of the outer insulation sleeve 10 .
  • the pending tongs 17 entering the notches 23 will form a means for positioning in the peripheral direction. So that when the outer insulation sleeve 10 is exerted with a twisting force, it can be still kept firm in its stationary state.
  • the pending tongs 17 which each is narrower at the lower end and wider at the upper end thereof and the notches 23 also each being narrower at the lower end and wider at the upper end thereof in coincidence in shape with the corresponding pending tong 17 can have desire space tolerance for primary insertion connecting, their force bearing area can be increased, while insertion connecting of them can be easier.
  • FIGS. 6 and 7 show that the outer insulation sleeve 10 and the inner connecting rod 20 are placed respectively therein a coil 30 , a metallic seat 40 and a contact piece 50 etc. to form together an antenna structure.
  • the present invention thereby can allow the insulation sleeve members, namely the outer insulation sleeve 10 and the inner connecting rod 20 , to be directly engaged with each other without other processing procedures to not only form a firmer connecting structure but also increase the torsional strength of the antenna in positioning in the peripheral direction. Therefore, the direct insertion-connecting antenna can have largely raised structural strength.

Abstract

A positioning structure of an inner and an outer insulation sleeve member for an antenna, the sleeve members are an outer insulation sleeve and an inner insulation connecting rod insertion connecting with each other to form the main housing of the antenna, wherein, the inner connecting rod has thereon an upper and a lower protruding rib in corresponding respectively to an upper and a lower inner annular recess provided on the outer sleeve. The lower inner annular recess and the lower protruding rib had better be both in a truncated conical shape flared downwardly to form an abutting shoulder to help guiding for insertion connecting and to prevent slipping off of them by an axial pulling force. The inner connecting rod has thereon notches corresponding in position to the pending tongs on the top of the outer sleeve; and the inner and the outer sleeve members can synchronically be positioned in the peripheral direction.

Description

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention is related to a positioning structure of an inner and an outer insulation sleeve member for an antenna; and especially to such an antenna of which an outer insulation sleeve and an inner insulation connecting rod (both are sleeve members) can be directly engaged with each other when in assembling to increase the torsional strength of the antenna in positioning in the peripheral direction of these inner and outer sleeve members.
2. Description of the Prior Art
Fixed antennas used in a mobile phone as an example mostly each uses an internal helical coil as a main element for transmitting and receiving signals. The bottom end of the helical coil and a metallic connecting seat are connected with each other, while on the other hand, it requires an outer insulation sleeve and an inner connecting rod to position and insulate itself.
Such a fixed antenna used in a conventional mobile phone can be positioned by primary connecting of the helical coil with the metallic connecting seat and then by connecting the outer insulation sleeve member (i.e. an ordinary cap) with the inner connecting rod. Such a connecting structure can further be combined firmer through a procedure such as high frequency melting-connecting; hence it must have equipment for melting connecting. Alternatively, the related members including the helical coil and the metallic connecting seat having been positioned can be placed in a die; and then the outer insulation sleeve is formed during injection enveloping. However, these processes for obtaining such structure is inconvenient by the necessity of placing the primarily connected members into a die for processing, and production of each article must be done in the die, yield of the products thereby is limited.
Although there have been the devices to direct connect by engaging an outer insulation sleeve with an inner connecting rod to form some antenna assembling structures now available, they can reduce extra procedures of processing to speed up production. However, such assembling structures generally are not quite stable, dropping can often happen when users of mobile phones fondle with antennas or are inadvertent in use. The torsional strength of such direct engaging structures available now generally is hard to pass severer regulations of examinations.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a positioning structure of an inner connecting rod and an outer insulation sleeve (both are sleeve members) for an antenna, wherein, when the inner connecting rod of a helical coil and the outer insulation sleeve are shaped respectively, they can be engaged with each other with engaging means provided thereon, and synchronic positioning in the peripheral direction can be done at about the top ends of them, in this mode, the torsional strength of the antenna can be increased, such antenna can be manufactured with a high rate and a high yield.
In order to get the above stated object, the outer insulation sleeve of the present invention is made to have a top sealed end and a bottom opening, and an inner bore gradually enlarged from the top to the bottom thereof is provided therein, an upper inner annular recess and a lower inner annular recess are provided along the longitudinal wall of the inner bore. The inner connecting rod is provided thereon in coincidence with the structure of the abovementioned inner bore respectively with an outer rod portion, an upper and a lower annular protruding rib, the inner connecting rod can be inserted from the abovementioned bottom opening into the outer insulation sleeve. The outer insulation sleeve is provided near the inner top surface thereof with pending tongs, while the inner connecting rod is provided thereon with notches having corresponding shapes to the pending tongs respectively; thereby, the pending tongs can be inserted into the notches for positioning in the peripheral direction when the outer insulation sleeve is slipped over the inner connecting rod for connecting.
As to the pending tongs and the notches matching mutually, the pending tongs had better each be narrower at the lower end and wider at the upper end thereof for convenience of insertion positioning axially. In another preferred embodiment, the outer insulation sleeve and the inner connecting rod had better have their respective lower inner annular recess and the lower annular protruding rib provided with a stop portion with a truncated conical shape.
The present invention will be apparent in its novelty and other features after reading the detailed description of the preferred embodiment thereof in reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a partially sectional perspective view showing the mutually separated outer insulation sleeve and inner connecting rod of the present invention;
FIG. 2 is a sectional view taken from and in the same orientation as that of FIG. 1;
FIG. 3 is a sectional view taken in the orientation 90 degrees away from that of FIG. 2;
FIG. 4 is a sectional view taken from the sectional line 4—4 of FIG. 2;
FIG. 5 is a sectional view taken from the sectional line 5—5 of FIG. 3;
FIG. 6 is a sectional view as that of FIG. 2 with related elements mounted therein;
FIG. 7 is a sectional view as that of FIG. 3 with related elements mounted therein.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to FIG. 1 firstly, the main housing of the antenna has the principal elements including an outer insulation sleeve (namely cap) 10 and an inner insulation connecting rod 20. Related antenna parts including a coil, a metallic seat and a contact piece can be mounted therein after insertion connecting of the elements.
The outer insulation sleeve 10 basically has a top sealed end 11 and a bottom opening 12, and an inner bore 13 gradually enlarged from the top to the bottom thereof is provided therein with an upper inner annular recess 14 and a lower inner annular recess 15 provided along the longitudinal wall thereof; and is provided near the inner top surface 16 thereof with pending tongs 17. In the embodiment shown in the drawing, the pending tongs 17 each is in a conical shape which is narrower at the lower end and wider at the upper end thereof (referring to FIGS. 3, 5). While the inner connecting rod 20 is provided thereon in corresponding to structure of the outer insulation sleeve 10 with an upper protruding rib protruding rib 21 and a lower annular protruding rib 22, and is provided on the top end of the wall thereof with notches 23 having a corresponding shape to the pending tongs 17 of the outer insulation sleeve 10 respectively.
In the preferred embodiment shown in FIGS. 2, 4, the lower annular protruding rib 22 is in a truncated conical shape flared downwardly to form an abutting shoulder 29. The lower inner annular recess 15 provided on the outer insulation sleeve 10 is in the shape in corresponding to that of the abutting shoulder 29.
The outer insulation sleeve 10 and the inner connecting rod 20 of such structure can thereby insertion connected with each other in an axial direction. During insertion connecting of the two, by virtue that the outer insulation sleeve 10 is generally formed of plastic, in the procedure of insertion of the main shank of the inner connecting rod 20 into the inner bore 13, the upper protruding rib protruding rib 21 and the lower annular protruding rib 22 slightly spread in the first place, and when the inner connecting rod 20 reaches its position (such as are shown in FIGS. 2, 3), the outer insulation sleeve 10 will make the upper and the lower inner annular recesses 14, 15 engage the upper and the lower protruding ribs 21, 22 respectively. By virtue that the shapes of the lower protruding rib 22 and the lower inner annular recess 15 are corresponding to each other, they form extremely firm engagement, when the antenna is exerted with an axial pulling force, not only the lower protruding rib 22 has a guiding angle to help insertion by having the truncated conical shape thereof flared downwardly, but also the abutting shoulder 29 thereof can form an effective stopping portion to prevent slipping off thereof by the axial pulling force.
When the outer insulation sleeve 10 and the inner connecting rod 20 are insertion positioned, the notches 23 provided on the inner connecting rod 20 will be synchronically connected with the pending tongs 17 on the top of the outer insulation sleeve 10. With the above stated firm connecting structure, the pending tongs 17 entering the notches 23 will form a means for positioning in the peripheral direction. So that when the outer insulation sleeve 10 is exerted with a twisting force, it can be still kept firm in its stationary state.
In the preferred embodiment stated above, the pending tongs 17 which each is narrower at the lower end and wider at the upper end thereof and the notches 23 also each being narrower at the lower end and wider at the upper end thereof in coincidence in shape with the corresponding pending tong 17 can have desire space tolerance for primary insertion connecting, their force bearing area can be increased, while insertion connecting of them can be easier.
FIGS. 6 and 7 show that the outer insulation sleeve 10 and the inner connecting rod 20 are placed respectively therein a coil 30, a metallic seat 40 and a contact piece 50 etc. to form together an antenna structure.
The present invention thereby can allow the insulation sleeve members, namely the outer insulation sleeve 10 and the inner connecting rod 20, to be directly engaged with each other without other processing procedures to not only form a firmer connecting structure but also increase the torsional strength of the antenna in positioning in the peripheral direction. Therefore, the direct insertion-connecting antenna can have largely raised structural strength.
The above stated preferred embodiment is only for illustrating the present invention. It will be apparent to those skilled in this art that various modifications or changes can be made to the present invention. And all such modifications and changes also fall within the scope of the appended claims and are intended to form part of this invention.

Claims (3)

What is claimed is:
1. A positioning structure of an inner and an outer insulation sleeve member for an antenna, said sleeve members are an outer insulation sleeve and an inner insulation connecting rod insertion connecting with each other to form the main housing of said antenna, wherein:
said outer sleeve has a top sealed end, a bottom opening, and an inner bore provided with an upper inner annular recess and a lower inner annular recess on the longitudinal wall thereof, and is provided near the inner top surface thereof with at least a pending tong;
the main shank of said inner connecting rod is in a corresponding shape to that of said inner bore of said outer sleeve, an upper and a lower annular protruding rib are provided on said inner connecting rod in corresponding in position to and for connecting with said upper and lower inner annular recesses respectively of said outer sleeve;
said inner connecting rod is provided thereon with notches corresponding in position to said pending tongs of said outer insulation sleeve;
when said outer sleeve and said inner connecting rod are insertion connected with each other, said pending tongs on said outer sleeve are synchronically connected with said notches provided on said inner connecting rod to make positioning in the peripheral direction.
2. A positioning structure of an inner and an outer insulation sleeve member for an antenna as claimed in claim 1, wherein,
said pending tongs each is narrower at the lower end and wider at the upper end thereof, and said notches also each is narrower at the lower end and wider at the upper end thereof in coincidence in shape with a corresponding one of said pending tongs.
3. A positioning structure of an inner and an outer insulation sleeve member for an antenna as claimed in claim 1, wherein,
said lower inner annular recess and said lower annular protruding rib of said outer sleeve and said inner connecting rod respectively are in truncated conical shapes flared downwardly to form on said inner connecting rod an abutting shoulder.
US10/084,954 2002-03-01 2002-03-01 Positioning structure of inner and outer insulation sleeve members for antenna Expired - Lifetime US6603433B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040085252A1 (en) * 2002-11-05 2004-05-06 Benq Corporation Structure of antenna
US20040227676A1 (en) * 2003-05-16 2004-11-18 Youn-Sung Kim Antenna for cellular phone
US6999043B1 (en) * 2004-10-08 2006-02-14 The United States Of America As Represented By The Secretary Of The Navy Amphibious antennas for providing near vertical incidence skywave communication
US20150084828A1 (en) * 2013-09-23 2015-03-26 Sinbon Electronics Company Ltd. Flexible Antenna

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6127979A (en) * 1998-02-27 2000-10-03 Motorola, Inc. Antenna adapted to operate in a plurality of frequency bands
US6337669B1 (en) * 2000-07-24 2002-01-08 Auden Techno Corp. Structure of multi-frequency antenna for a mobile phone
US6340955B1 (en) * 2000-07-24 2002-01-22 Auden Techno Corp. Combining method for internal and external insulating sleeves of an antenna on a communication instrument
US6344827B1 (en) * 2000-12-14 2002-02-05 Senton Enterprise Co., Ltd. Dual-frequency antenna for mobile phone
US6369775B1 (en) * 2000-09-25 2002-04-09 Amphenol-T&M Antennas Antenna assembly and multiband stubby antenna
US6476777B1 (en) * 2001-09-26 2002-11-05 Auden Techno Corp. Antenna assembled by vacuum and static electric attraction
US6518938B1 (en) * 2001-11-02 2003-02-11 Auden Techno Corp. Simplified helical antenna structure for communication equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6127979A (en) * 1998-02-27 2000-10-03 Motorola, Inc. Antenna adapted to operate in a plurality of frequency bands
US6337669B1 (en) * 2000-07-24 2002-01-08 Auden Techno Corp. Structure of multi-frequency antenna for a mobile phone
US6340955B1 (en) * 2000-07-24 2002-01-22 Auden Techno Corp. Combining method for internal and external insulating sleeves of an antenna on a communication instrument
US6369775B1 (en) * 2000-09-25 2002-04-09 Amphenol-T&M Antennas Antenna assembly and multiband stubby antenna
US6344827B1 (en) * 2000-12-14 2002-02-05 Senton Enterprise Co., Ltd. Dual-frequency antenna for mobile phone
US6476777B1 (en) * 2001-09-26 2002-11-05 Auden Techno Corp. Antenna assembled by vacuum and static electric attraction
US6518938B1 (en) * 2001-11-02 2003-02-11 Auden Techno Corp. Simplified helical antenna structure for communication equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040085252A1 (en) * 2002-11-05 2004-05-06 Benq Corporation Structure of antenna
US20040227676A1 (en) * 2003-05-16 2004-11-18 Youn-Sung Kim Antenna for cellular phone
US6999043B1 (en) * 2004-10-08 2006-02-14 The United States Of America As Represented By The Secretary Of The Navy Amphibious antennas for providing near vertical incidence skywave communication
US20150084828A1 (en) * 2013-09-23 2015-03-26 Sinbon Electronics Company Ltd. Flexible Antenna

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